你好： 我非常遗憾你并没有真正看懂邮件内容，我说的是可能的意思，就是你

你好：
我非常遗憾你并没有真正看懂邮件内容，我说的是可能的意思，就是你可以改变，但也可以不改，不是必须改变航班，另外你换航班之前没有和我们确认，学院并不知道你要改变航班，所以很抱歉我们无法提供这笔费用

結果 (中文) 2:

Hello: I'm very sorry you didn't really understand the content of a message, I said it is possible means, is that you can change, but also can not change, not to change the flight, before you change the flight no and we confirm, college didn't know you had to change the flight, so sorry we are unable to offer this cost